diff --git a/DESCRIPTION b/DESCRIPTION
index 3032744..58e8759 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -55,11 +55,11 @@ Maintainer: Victor Maus <vwmaus1@gmail.com>
 LazyData: true
 RoxygenNote: 5.0.1
 Collate:
+    'class-crossValidation.R'
     'class-twdtwTimeSeries.R'
     'class-twdtwMatches.R'
     'class-twdtwRaster.R'
     'createPatterns.R'
-    'crossValidation.R'
     'data.R'
     'dtw.R'
     'dwtSat.R'
@@ -85,7 +85,6 @@ Collate:
     'resampleTimeSeries.R'
     'subset.R'
     'twdtw.R'
-    'twdtwAccuracy.R'
     'twdtwApply.R'
     'twdtwClassify.R'
     'zzz.R'
diff --git a/R/twdtwAccuracy.R b/R/twdtwAccuracy.R
deleted file mode 100644
index 9f2dc64..0000000
--- a/R/twdtwAccuracy.R
+++ /dev/null
@@ -1,49 +0,0 @@
-###############################################################
-#                                                             #
-#   (c) Victor Maus <vwmaus1@gmail.com>                       #
-#       Institute for Geoinformatics (IFGI)                   #
-#       University of Muenster (WWU), Germany                 #
-#                                                             #
-#       Earth System Science Center (CCST)                    #
-#       National Institute for Space Research (INPE), Brazil  #
-#                                                             #
-#                                                             #
-#   R Package dtwSat - 2016-08-12                             #
-#                                                             #
-###############################################################
-
-
-#' @title class "twdtwAccuracy" 
-#' @name twdtwAccuracy-class
-#' @aliases twdtwAccuracy
-#' @author Victor Maus, \email{vwmaus1@@gmail.com}
-#' 
-#' @description This class stores the cross-validation. 
-#' 
-#' @param object an object of class \code{\link[dtwSat]{twdtwRaster}}.
-#' 
-#' @param x an object of class \code{\link[base]{data.frame}}.
-#' 
-#' @seealso 
-#' \code{\link[dtwSat]{createPatterns}}, and 
-#' \code{\link[dtwSat]{twdtwApply}}.
-#'
-#' @section Slots :
-#' \describe{
-#'  \item{\code{samples}:}{A data frame with mapped and reference classes.}
-#'  \item{\code{accuracy}:}{A list with the accuracy metrics.}
-#' }
-#'
-#' @examples
-#' \dontrun{
-#' 
-#' }
-NULL
-
-df = do.call("rbind", lapply(twdtw_res[], function(xx) xx[which.min(xx$distance),]) )
-
-data = data.frame(.adjustFactores(ref, pred), df[,!names(df)%in%"labels"])
-# error.matrix = table(Predicted=data$Predicted, Reference=data$Reference)
-
-
-
diff --git a/man/getTimeSeries.Rd b/man/getTimeSeries.Rd
index 81d94aa..183ffba 100644
--- a/man/getTimeSeries.Rd
+++ b/man/getTimeSeries.Rd
@@ -28,22 +28,21 @@
 
 \item{labels}{character vector with time series labels. For signature 
 \code{\link[dtwSat]{twdtwRaster}} this argument can be used to set the 
-labels for each \code{sample}, or it can be combined with \code{id.labels} 
+labels for each sample in \code{y}, or it can be combined with \code{id.labels} 
 to select samples with a specific label.}
 
 \item{y}{a \code{\link[base]{data.frame}} whose attributes are: longitude, 
 latitude, the start ''from'' and the end ''to'' of the time interval 
 for each sample. This can also be a \code{\link[sp]{SpatialPointsDataFrame}} 
 whose attributes are the start ''from'' and the end ''to'' of the time interval.
-If missing ''from'' and/or ''to'', their are set to the time range of the object
-\code{object}. As additional attribute of \code{samples} can be used as labels 
-for each sample. See \code{id.labels}.}
+If missing ''from'' and/or ''to'', they are set to the time range of the 
+\code{object}.}
 
 \item{proj4string}{projection string, see \code{\link[sp]{CRS-class}}. Used 
-if \code{samples} is a \code{\link[base]{data.frame}}.}
+if \code{y} is a \code{\link[base]{data.frame}}.}
 
-\item{id.labels}{a numeric or character with an attribute of \code{samples} to 
-be used as labels of the samples. Optional.}
+\item{id.labels}{a numeric or character with an column name from \code{y} to 
+be used as samples labels. Optional.}
 }
 \value{
 An object of class \code{\link[dtwSat]{twdtwTimeSeries}}.
diff --git a/man/plotCrossValidation.Rd b/man/plotCrossValidation.Rd
index cb28b0a..67815a0 100644
--- a/man/plotCrossValidation.Rd
+++ b/man/plotCrossValidation.Rd
@@ -4,10 +4,13 @@
 \alias{plotCrossValidation}
 \title{Plotting cross-validation}
 \usage{
-plotCrossValidation(x)
+plotCrossValidation(x, conf.int = 0.95)
 }
 \arguments{
 \item{x}{An object of class \code{\link[dtwSat]{plotCrossValidation}}.}
+
+\item{conf.int}{confidence level (0-1) for interval estimation of the population mean.
+for details see \code{\link[Hmisc]{smean.cl.normal}}.}
 }
 \value{
 A \link[ggplot2]{ggplot} object.
@@ -49,7 +52,7 @@ cross_validation = twdtwCrossValidation(field_samples_ts, times=3, p=0.1,
 
 summary(cross_validation)
 
-plot(cross_validation)
+plot(cross_validation, conf.int=.99)
 
 }
 
diff --git a/man/twdtwCrossValidation-class.Rd b/man/twdtwCrossValidation-class.Rd
index 1c04256..62aff18 100644
--- a/man/twdtwCrossValidation-class.Rd
+++ b/man/twdtwCrossValidation-class.Rd
@@ -1,5 +1,5 @@
 % Generated by roxygen2: do not edit by hand
-% Please edit documentation in R/crossValidation.R, R/methods.R
+% Please edit documentation in R/class-crossValidation.R, R/methods.R
 \docType{methods}
 \name{twdtwCrossValidation-class}
 \alias{show,twdtwCrossValidation-method}